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authorTomohiro Kusumi <kusumi.tomohiro@gmail.com>2015-10-28 04:38:56 +0900
committerMike Snitzer <snitzer@redhat.com>2015-10-31 19:06:05 -0400
commitf49e869a61829b8ac6eb069b3824f738cd0146e6 (patch)
tree71129304248f0a2d1ba27d7fac0cf392c94e29d3
parente213f33e4d3a00e9916a58e0fff367a7c60e3c9c (diff)
dm delay: document that offsets are specified in sectors
Only delay params are mentioned in delay.txt. Mention offsets just like documents for linear and flakey do. Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
-rw-r--r--Documentation/device-mapper/delay.txt1
-rw-r--r--drivers/md/dm-delay.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/device-mapper/delay.txt b/Documentation/device-mapper/delay.txt
index 15adc55359e5..a07b5927f4a8 100644
--- a/Documentation/device-mapper/delay.txt
+++ b/Documentation/device-mapper/delay.txt
@@ -8,6 +8,7 @@ Parameters:
<device> <offset> <delay> [<write_device> <write_offset> <write_delay>]
With separate write parameters, the first set is only used for reads.
+Offsets are specified in sectors.
Delays are specified in milliseconds.
Example scripts
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 9a4362d53508..b4c356a21123 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -122,6 +122,7 @@ static void flush_expired_bios(struct work_struct *work)
* <device> <offset> <delay> [<write_device> <write_offset> <write_delay>]
*
* With separate write parameters, the first set is only used for reads.
+ * Offsets are specified in sectors.
* Delays are specified in milliseconds.
*/
static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)